Tati_Lee
If f(x) = x  2/ 2, then what is f^–1 (x) ?



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micahwood50
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Replace x and y to each other then solve for y.

micahwood50
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f(x) = y = x  2 / 2, so f^(1)(x) = x = y  2 / 2
Now solve for y.

Tati_Lee
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x = (y  2) / 2
2x = y  2
2x + 2 = y
right?

03453660
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dw:1350229566553:dw

03453660
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dw:1350229665763:dw

Tati_Lee
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thank you